Household apparatus for preventing dental calculus and periodontosis



FIG. 1 is a front view of my new design of household apparatus forpreventing dental calculus and periodontosis;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a plane view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is an explanatory drawing absent the main housing;

FIG. 8 is a front view of handy probe thereof;

FIG. 9 is a right side view of handy probe thereof;

FIG. 10 is a left side view of handy probe thereof;

FIG. 11 is a plane view of handy probe thereof; and,

FIG. 12 is a bottom view of handy probe thereof.

The broken line showing is for illustrative purposes only and forms nopart of the claimed design.

The ornamental design for a household apparatus for preventing dentalcalculus and periodontosis, as shown and described.